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1.发明公开公开(公告)号：US20240247194A1
公开(公告)日：2024-07-25
申请号：US18405762
申请日：2024-01-05
发明人： Kara R. Radford , David Spicer , Saurabh S. Maduskar , Theodore W. Walker , Alison M. Miller , Steven M. Slack
摘要： Processes for removing deposits from a pump-around loop or simply loop. The process can include isolating a first and a second end of the loop in fluid communication with a vessel to provide an isolated section. The isolated section can include a first conduit disposed within a convection section of a steam cracking furnace or a heat exchanger that is external to the steam cracking furnace that can include char therein. The first end can be connected to an aqueous fluid/oxidant source. The second end can be connected to a second conduit disposed within the convection section. An aqueous fluid/oxidant mixture can be introduced into the first end that can be heated by flowing through the isolated section. The heated mixture can flow through the second conduit to produce a second heated mixture that can be introduced into a radiant section of the steam cracking furnace.
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2.发明公开公开(公告)号：US20240247193A1
公开(公告)日：2024-07-25
申请号：US18405088
申请日：2024-01-05
发明人： Kara R. Radford , David Spicer , Saurabh S. Maduskar , Theodore W. Walker , Alison M. Miller , Steven M. Slack
CPC分类号： C10G1/10 , C10G1/002 , C10G9/20 , C10G9/36 , C10G70/046 , C10G2300/1003 , C10G2300/1033 , C10G2300/1037 , C10G2300/202 , C10G2300/4006 , C10G2300/4037 , C10G2300/4081 , C10G2300/802 , C10G2300/807 , C10G2400/20
摘要： Processes and systems for hydrocarbon pyrolysis. In some embodiments, a hydrocarbon can be heated within a convection section of a steam cracking furnace and combined with an aqueous fluid to produce a heated mixture. A heavy feed that includes a plastic material can be introduced into a vessel and a portion of the plastic material can be cracked therein. Liquid and vapor effluents exiting the vessel can be obtained. At least a portion of the liquid effluent can be heated to produce a heated fluid stream that can be recycled to the vessel. The vapor effluent can be combined with the heated mixture to produce a combined mixture that can be heated within the convection section to produce a heated combined mixture. At least a portion of the heated combined mixture can be cracked within a radiant section of the steam cracking furnace to produce a steam cracker effluent.
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